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Table 2 Frequency (%) of medication prescription error categories in Tikur Anbessa Specialized Hospital, Addis Ababa, Ethiopia

From: Medication prescribing errors in the medical intensive care unit of Tikur Anbessa Specialized Hospital, Addis Ababa, Ethiopia

Error type

Frequency (%)

Dose omission

33 (9.19 %)

Frequency omission

58 (16.15 %)

Route omission

63 (17.54 %)

Omission error (subtotal)

154 (42.89 %)

Drug interaction

57 (15.87 %)

Duplication

44 (12.26 %)

Wrong combination (subtotal)

101 (28.13 %)

Wrong abbreviation

48 (13.37 %)

Over dose

14 (3.89 %)

Under dose

16 (4.46 %)

Wrong dose (subtotal)

30 (8.36 %)

Wrong frequency

18 (5.01 %)

Wrong indication

8 (2.23 %)

Total

359 (100 %)